[jdk21u-dev] RFR: 8318322: Update IANA Language Subtag Registry to Version 2023-10-16

[Goetz Lindenmaier]

One of the required updates of meta information.

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Depends on: https://git.openjdk.org/jdk21u-dev/pull/482

Commit messages:
 - Backport cc8f8da293914c25cb15d38caad994bc761a3957

Changes: https://git.openjdk.org/jdk21u-dev/pull/483/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=483&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8318322
  Stats: 53 lines in 2 files changed: 50 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/483.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/483/head:pull/483

PR: https://git.openjdk.org/jdk21u-dev/pull/483